Plot: At the project house in Brooklyn, homeowner Karen Shen shows master carpenter Norm Abram the progress in the owner's unit while flooring contractor Neale Rattray installs new white oak flooring in the top floor apartment. In the new master bathroom, local plumbing contractor Randy Gitli shows plumbing and heating contractor Richard Trethewey the showerhead combination that includes a master showerhead, a handheld showerhead and tub filler